SIEMENS
3/171
Siemens IC 10 · 2017
Contactor Assemblies for Star-Delta (Wye-Delta) Starting
SIRIUS 3RA24 contactor assemblies for star-delta (wye-delta) starting, up to 90 kW
3
Complete units
Note:
The selection of contactor types refers to fused designs.
Article No. scheme
Note:
The Article No. scheme shows an overview of product versions
for better understanding of the logic behind the article numbers.
For your orders please use the article numbers quoted in the
selection and ordering data.
Rated data at 50 Hz 400 V AC
Size
Type
Rating
P
kW
Operational current
I
e
A
Motor current
A
Line/delta contactor
Star contactor
Fully-wired and tested
contactor assemblies
for star-delta (wye-delta)
starting
Screw terminals
5.5
12
9.5 ... 13.8
S00-S00-S00
3RT2015-1
....
3RT2015-1
....
3RA2415-8XF31-1...
7.5
16
12.1 ... 17
3RT2017-1
....
3RT2015-1
....
3RA2416-8XF31-1...
11
25
19 ... 25
3RT2018-1
....
3RT2016-1
....
3RA2417-8XF31-1...
11
25
19
... 25
S0-S0-S0
3RT2024-1...0
3RT2024-1...0
3RA2423-8XF32-1...
15
32
24.1 ... 34
3RT2026-1...0
3RT2024-1...0
3RA2425-8XF32-1...
18.5
40
34.5 ... 40
3RT2026-1...0
3RT2024-1...0
3RA2425-8XF32-1...
22
50
31 ... 43
3RT2027-1...0
3RT2026-1...0
3RA2426-8XF32-1...
22/30
50
31 ... 43
S2-S2-S0
3RT2035-1...0
3RT2026-1...0
3RA2434-8XF32-1...
37
80
62.1 ... 77.8
3RT2035-1...0
3RT2027-1...0
3RA2435-8XF32-1...
45
86
69 ... 86
3RT2036-1...0
3RT2028-1...0
3RA2436-8XF32-1...
55
115
77.6 ... 108.6
S2-S2-S2
3RT2037-1...0
3RT2035-1...0
3RA2437-8XF32-1...
55
115
77.6 ... 108.6
S3-S3-S2
3RT2045-1...0
3RT2035-1...0
3RA2444-8XF32-1...
75
150
120.7 ... 150
3RT2045-1...0
3RT2036-1...0
3RA2445-8XF32-1...
90
160
86 ... 160
3RT2046-1...0
3RT2037-1...0
3RA2446-8XF32-1...
Spring-type terminals
5.5
12
9.5 ... 13.8
S00-S00-S00
3RT2015-2
....
3RT2015-2
....
3RA2415-8XF31-2...
7.5
16
12.1 ... 17
3RT2017-2
....
3RT2015-2
....
3RA2416-8XF31-2...
11
25
19 ... 25
3RT2018-2
....
3RT2016-2
....
3RA2417-8XF31-2...
11
25
19 ... 25
S0-S0-S0
3RT2024-2...0
3RT2024-2...0
3RA2423-8XF32-2...
15
32
24.1 ... 34
3RT2026-2...0
3RT2024-2...0
3RA2425-8XF32-2...
18.5
40
34.5 ... 40
3RT2026-2...0
3RT2024-2...0
3RA2425-8XF32-2...
22
50
31 ... 43
3RT2027-2...0
3RT2026-2...0
3RA2426-8XF32-2...
Product versions
Article number
SIRIUS contactor assembly for star-delta (wye-delta) starting
3RA24
@
@
–
@
@
@
@
@
–
@
@
@
@
Contactor size
e. g. 4 = S3
@
Power dependent on size
e. g. 5 = 75 kW for size S3
@
Type of overload relay
e.g. 8X = without
@
@
Assembly
e.g. F = ready-assembled with function modules
@
Interlock
e.g. 3 = mechanical and electrical
@
Free auxiliary switches
e. g. 2 = S3: 3 NO + 3 NC total
@
Type of electrical connection
e.g. 1 = screw terminals (main and auxiliary circuits)
@
Operating range / solenoid coil circuit
e.g. A = AC standard / without coil circuit
@
Rated control supply voltage
e.g. L2 = 230 V AC, 50/60 Hz
@
@
Example
3RA24
4
5
–
8
X
F
3
2
–
1
A
L
2
© Siemens AG 2016